Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052852 | Non-chemical thermally printable film | Matthew H. Brown, Harold Egon Koehn | 2018-08-21 |
| 10022942 | Non-chemical thermally printable film | Matthew H. Brown, Harold Egon Koehn | 2018-07-17 |
| 8968863 | Non-chemical thermally printable film | Matthew H. Brown, Harold Egon Koehn | 2015-03-03 |